Watts LF5300A 1/2" Lead-Free Bypass Relief Valve (0–250 PSI) Filmtec (XLE-4021) Low Energy Membrane 1025 GPD 4" X 21" Ideal for diagnosing scale formation

Ideal for diagnosing scale formation in tankless water heaters

Replacing Your E5785 Filter

5" x 21" membranes (3/4" o

making it ideal as a post-filter to reverse osmosis systems for ultra-pure output

check for sediment buildup upstream or consider adding a 5-micron sediment pre-filter to protect the carbon media and extend service life

Watts LF5300A 1/2" Lead-Free Bypass Relief Valve (0–250 PSI) Filmtec (XLE-4021) Low Energy Membrane 1025 GPD 4" X 21" Ideal for diagnosing scale formationThe Watts LF5300A is a compact 1 2" bypass relief valve designed to protect your plumbing system from overpressure damage in positive pressure pump installations. This lead free brass valve automatically diverts excess flow back to the source when pressure exceeds your preset threshold, then reseats when conditions normalize. SPECIFICATIONS Watts LF5300A Technical Details Model Number Watts LF5300A Size 1 2 inch NPT Pressure Range 0250 PSI